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Above the bedrock the soils are composed of 25–30% bauxite with irregular and lenticular-shaped ore bodies. The largest ore body contains 20 million tonnes (44 billion pounds) over an area of 600 ha (1,500 acres) with many smaller bodies. The total estimated reserve of bauxite in the
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including significant amounts of quartz sand. Below this is an
Aluminium oxide enriched interval with clay rich base, with an average depth of 5.5 m (18 ft) and a maximum of up to 20 m (66 ft). Below this is a transition zone primarily made up of
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aged granitoids. The surface of the mount is an iron-rich hard cap with a thickness of around 6 m (20 ft) containing 40 to 50% Fe
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161:. The Darling Scarp formed around 570 million years ago and is composed of 3700 million-year-old rocks that are mostly
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311:"Darling Range Bauxite - Jarrahdale, Dwellingup, Huntley, Willowdale, Mt Saddleback Western Australia, WA, Australia"
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132:. It is found at the easternmost part of the Darling Range about 20 km (12 mi) south of
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289:"Saddleback Mine (Worsley), Boddington, Boddington Shire, Western Australia, Australia"
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The underlying bedrock is composed of medium grained granite and sometimes
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mining area is 400 million tonnes (880 billion pounds).
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is mined on the flanks of the peak and processed at
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136:and 40 km (25 mi) west of
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213:. Government of Western Australia
236:"Geology along the Munda Biddi"
339:Mountains of Western Australia
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313:. Porter Geoconsultancy. 2004
16:Mountain in Western Australia
349:Mining in Western Australia
124:is the highest peak in the
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39:593 m (1,946 ft)
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207:"Interesting WA facts"
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67:32.967°S 116.450°E
29:Highest point
258:"Worsley Alumina"
130:Western Australia
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96:Western Australia
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122:Mount Saddleback
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24:Mount Saddleback
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104:Parent range
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317:27 November
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217:27 November
70: /
45:Coordinates
333:Categories
193:References
134:Boddington
94:region of
264:. South32
83:Geography
35:Elevation
211:Landgate
159:Gondwana
138:Williams
88:Location
58:116°27′E
262:South32
170:Archean
163:granite
144:Bauxite
55:32°58′S
183:kaolin
319:2018
297:2018
270:2018
244:2018
219:2018
92:Peel
128:of
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